Instruments Review

Question 1

What are the four instruments in a “T” arrangement of an instrument panel?

Answer 1

ALTIMETER,

ATTITUDE INDICATOR,

HEADING INDICATOR,

AIRSPEED

Question 2

On an airspeed indicator, the red line means what?

Answer 2

NEVER EXCEED LIMIT

Question 3

On an airspeed indicator, the white arc means what?

Answer 3

FLAP OPERATING SPEEDS

Question 4

If you have a blue line on an airspeed indicator, what does it indicate?

Answer 4

SINGLE ENGINE BEST RATE OF CLIMB (ON MULTI-ENGINE AIRCRAFT)

Question 5

On an airspeed indicator, the yellow arc means what?

Answer 5

CAUTION RANGE

Question 6

The lower limit on a white arc of an airspeed indicator means what?

Answer 6

STALL SPEED WITH FLAPS EXTENDED

Question 7

Ram air pressure is called what?

Answer 7

PITOT

Question 8

Which instruments discussed in class would use the Pitot system?

Answer 8

AIRSPEED/MACH

Question 9

Which instruments discussed in class would use the Static system?

Answer 9

ALTIMETER, ATTITUDE VERTICAL SPEED?

Question 10

How often do you test a static system for leaks?

Answer 10

Anytime its opened or 24 CALENDAR MONTHS

Question 11

Who can perform a static leak test?

Answer 11

AIRFRAME LICENSED MECHANIC

Question 12

The pressure measurement that compares two measured pressures is?

Answer 12

DIFFERENTIAL PRESSURE INDICATOR

Question 13

The pressure measurement that compares pressure to a vacuum is?

Answer 13

ABSOLUTE PRESSURE INDICATOR

Question 14

Altimeters use what type of pressure measurement?

Answer 14

ABSOLUTE PRESSURE

Question 15

Airspeed indicators use what type of pressure measurement?

Answer 15

DIFFERENTIAL PRESSURE

Question 16

Why is true airspeed different than indicated airspeed?

Answer 16

TAKES AIR TEMPERATURE INTO CONSIDERATION

Question 17

A vertical speed indicator works on what principle?

Answer 17

RATE OF CHANGE IN PRESSURE

Question 18

The instrument that indicates aircraft speed compared to the speed of sound is what?

Answer 18

MACHMETER

Question 19

Name some instruments that measure absolute pressure?

Answer 19

ALTIMETER, VERTICAL SPEED

Question 20

Name some instruments that measure differential pressure?

Answer 20

AIRSPEED, and pressure switch

Question 21

What is the reading on the altimeter?

Answer 21

1280FT

Question 22

When referring to a gyro, rigidity in space means what?

Answer 22

OBJECT SPINNING AROUND AXIS WILL MAINTAIN POSITION

Question 23

What is precession?

Answer 23

OBJECT SPINNING AROUND AXIS, WHEN FORCE ACTS UPON IT, IT WILL TAKE 90 DEGREES TO TAKE EFFECT

Question 24

Which indicator uses rigidity in space to indicate to the pilots the direction of the aircraft?

Answer 24

ATTITUDE INDICATOR, HEADING INDICATOR

Question 25

On a drum type heading indicator, the compass card is attached to what?

Answer 25

GIMBAL

Question 26

What is a lubber line?

Answer 26

LINE PAINTED ON GLASS TO INDICATE DIRECTION

Question 27

Which property of a gyro is used to indicate the position of the aircraft in relation to the horizon?

Answer 27

RIGIDITY IN SPACE

Question 28

The Attitude Director Indicator has what function that the Attitude Indicator does not?

Answer 28

AUTO PILOT, COMMAND BARS (FLIGHT DIRECTOR)

Question 29

What is the difference between the Turn and Slip indicator, and the Turn Coordinator?

Answer 29

COORDINATOR INCLUDES ROLL AND YAW

Question 30

What is magnetic deviation?

Answer 30

INTERFERENCE FROM COCKPIT

Question 31

What is swinging the compass?

Answer 31

COMPENSATING FOR MAGNETIC DEVIATION

Question 32

In the slaved gyro system, what provides the magnetic north reference?

Answer 32

FLUX VALVES

Question 33

What is the difference between true north and magnetic north called?

Answer 33

MAGNETIC VARIATION

Question 34

What type of temperature gauge is commonly used on small aircraft?

Answer 34

Gas expansion

Question 35

The type of mechanism that a gas expansion temperature indicator uses?

Answer 35

BOURDON TUBE

Question 36

Aerobatic aircraft use this instrument to indicate to the pilots that they are near design load limits?

Answer 36

ACCELEROMETER (G-METER)

Question 37

What is the main drawback of a Wheatstone bridge type electrical temperature indicator?

Answer 37

NOT STABLE POWER SOURCE

Question 38

This instrument is used to indicate engine RPM?

Answer 38

TACHOMETER

Question 39

What is a Synchroscope used for?

Answer 39

SYNCHRONIZING TWO ENGINES (OR GENERATORS)

Question 40

What type of temperature indicator would be used to measure very high temperatures?

Answer 40

THERMOCOUPLE

Question 41

If an aircraft does not have a vacuum pump what would be used to provide the suction needed to run the vacuum driven gyros?

Answer 41

VENTURI

Question 42

What type of vacuum pump is required to have an air / oil separator?

Answer 42

WET TYPE

Question 43

Where would the filters be located in an instrument vacuum system?

Answer 43

INLET OF THE SYSTEM AND BETWEEN REGULATOR AND INLET OF PUMP

Question 44

What type of aircraft would use a pressure type system to power the aircraft gyros?

Answer 44

AIRCRAFT THAT FLY ABOVE 18,000 FT

Question 45

What are the two types of vacuum pumps?

Answer 45

WET AND DRY TYPE

Question 46

How are erratic indications on a mechanical fuel indication system prevented?

Answer 46

MAGNET

Question 47

What is the float attached to on a DC electric fuel quantity indication system?

Answer 47

VARIABLE RESISTOR

Question 48

What is used as the dielectric on a capacitance fuel quantity indication system?

Answer 48

FUEL OR AIR

Question 49

What does a compensator unit do on a capacitance fuel quantity system?

Answer 49

FUEL DENSITY

Question 50

What are the two primary instruments in an EFIS system?

Answer 50

ELECTRONIC ATTITUDE DIRECTOR INDICATOR (EADI) ELECTRONIC HORIZONTAL SITUATION INDICATOR (EHSI)